Home / 82,437.38-123,665.03-26,264.28

Finding the Fourth Proportional to 82,437.38, 123,665.03 and 26,264.28

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Solution

The fourth proportional to 82,437.38, 123,665.03 and 26,264.28 is: 39,399.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,437.38 : 123,665.03 = 26,264.28 : x
  2. Step 2: Convert to fraction form
    82,437.38/123,665.03 = 26,264.28/x
  3. Step 3: Cross multiply
    82,437.38x = 123,665.03 × 26,264.28
  4. Step 4: Simplify right side
    82,437.38x = 3,247,973,405.04
  5. Step 5: Solve for x
    x = 3,247,973,405.04/82,437.38
  6. Step 6: Final answer
    x = 39,399.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.